injector rack control [ever first to establish a guide for adjusting the remaining levers.
1.
Clean and remove the valve rocker cover. Discard the gasket.
2.
Disconnect the fuel rod at the stop lever.
3.
Loosen all of the inner and outer injector rack control lever adjusting screws. Be sure all of the injector rack control
levers are free on the injector control tube.
4. Move the speed control lever to the maximum speed position.
5.
Adjust the rear cylinder injector rack control lever
adjusting screws (Fig. 3) until both screws are equal in height and tight on the injector control tube.
6.
Move the rear injector control rack into the full-fuel position and note the clearance between the fuel rod and the
cylinder head bolt. The clearance should be or more. If necessary, readjust the injector rack adjusting screws until a
clearance of at least 1/32" to exists. Tighten the adjustment screws.
7.
Loosen the nut which locks the ball joint on the fuel rod. Hold the fuel rod in the full-fuel position and adjust the ball
joint until it is aligned and will slide on the ball stud on the stop lever (Fig. 4). Position the shutdown cable clip and tighten
the fuel rod lock nut to retain the adjustment.
8.
Check the adjustment by pushing the fuel rod toward the engine and make sure the injector control rack is in the
full-fuel position. If necessary, readjust the fuel rod.
9.
Manually hold the rear injector rack in the full-fuel position, with the lever on the injector control tube, and turn the
inner adjusting screw 'of the adjacent injector rack control lever down until the injector rack moves into the full-fuel
position. Turn the outer adjusting screw down until it bottoms lightly on the injector control. tube. Then alternately tighten
both the inner and outer adjusting screws.
NOTE: Over tightening of the injector rack control lever adjusting screws during
installation or adjustment can result in damage to the injector control tube. The
recommended torque of the adjusting screws is 24-36 in-lbs (3-4 Nm).
10. Recheck the rear injector rack to be sure that it has remained snug on the ball end of the rack control lever while
adjusting the adjacent injector rack. If the rack of the rear injector has become loose, back off the inner adjusting screw
slightly on the adjacent injector rack control lever and tighten the outer adjusting screw. When the settings are correct,
the racks of both injectors must be snug on the ball end of their respective control levers.
Fig. 4. Adjusting Fuel Rod Length
Fig. 3. Adjusting Injector Rack Control Lever
Adjusting Screws
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